DB21/T 1720-2017
Seawater source heat pump system engineering technical regulations (English Version)

Standard No.

DB21/T 1720-2017

Language

Chinese, Available in English version

Release Date

2017

Published By

Liaoning Provincial Standard of the People's Republic of China

Latest

DB21/T 1720-2017

Replace

DB21/T 1720-2009

DB21/T 1720-2017 history

• 2017 DB21/T 1720-2017 Seawater source heat pump system engineering technical regulations
• 0000 DB21/T 1720-2009